240008393 has 2 divisors, whose sum is σ = 240008394. Its totient is φ = 240008392.

The previous prime is 240008387. The next prime is 240008411. The reversal of 240008393 is 393800042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203005504 + 37002889 = 14248^2 + 6083^2 .

It is a cyclic number.

It is not a de Polignac number, because 240008393 - 2¹⁸ = 239746249 is a prime.

It is not a weakly prime, because it can be changed into another prime (240008333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120004196 + 120004197.

It is an arithmetic number, because the mean of its divisors is an integer number (120004197).

Almost surely, 2^240008393 is an apocalyptic number.

It is an amenable number.

240008393 is a deficient number, since it is larger than the sum of its proper divisors (1).

240008393 is an equidigital number, since it uses as much as digits as its factorization.

240008393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 240008393 is about 15492.2042653717. The cubic root of 240008393 is about 621.4537452737.

The spelling of 240008393 in words is "two hundred forty million, eight thousand, three hundred ninety-three".